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Crystal structure of E. coli DNA mismatch repair enzyme MutS, E38A mutant, in complex with a G.T mismatch
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1E3M PDB ENTRY 1E3M
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 25 MM HEPES(7.5), 300 MM NACL, 10 MM MGCL2, 14 % PEG 6000., pH 7.50
Crystal Properties Matthews coefficient Solvent content 2.6 56.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.553 α = 90 b = 92.494 β = 90 c = 261.264 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC CCD SAGITAL FOCUSSING GE (220) AND MULTILAYER. 2002-11-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 ESRF ID14-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.5 20 99.3 0.11 9.81 3.12 75289 53.02
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.59 98.3 0.72 1.48 3.06
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1E3M 2.5 20 73763 1452 99.3 0.221 0.22 0.2215 0.27 0.2646 SAME AS FOR ENTRY 1E3M 18.08
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3] -2.169 4.915 -2.746
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.067 r_scangle_it 1.763 r_angle_refined_deg 1.225 r_scbond_it 1.041 r_angle_other_deg 0.799 r_mcangle_it 0.673 r_mcbond_it 0.352 r_symmetry_vdw_refined 0.22 r_nbd_other 0.216 r_symmetry_vdw_other 0.216
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.067 r_scangle_it 1.763 r_angle_refined_deg 1.225 r_scbond_it 1.041 r_angle_other_deg 0.799 r_mcangle_it 0.673 r_mcbond_it 0.352 r_symmetry_vdw_refined 0.22 r_nbd_other 0.216 r_symmetry_vdw_other 0.216 r_nbd_refined 0.19 r_symmetry_hbond_refined 0.162 r_xyhbond_nbd_refined 0.152 r_nbtor_other 0.084 r_chiral_restr 0.064 r_bond_refined_d 0.01 r_gen_planes_refined 0.004 r_bond_other_d 0.002 r_gen_planes_other 0.002 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12163 Nucleic Acid Atoms 714 Solvent Atoms 285 Heterogen Atoms 28
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling